HOWTO make a 3D printed, Jingle-Bells-singing, robotic T.Rex skull

Inspired by his 4-year-old son, Rweaving 3D printed a T.Rex skull and taught it to roar out Jingle Bells. Now that's seasonal fun!

It was my son's idea to create a dinosaur skull that would sing jingle bells. This is the result of that project. The skull is controlled via servo motor triggered by the music. The skull, stand and mechanics were printed using a Makerbot Thingomatic. You can make your own by going to

…I love being able to take my 4 year old's crazy idea and making it into reality.

Jingle Bells Dinosaur Skull